Ultrasound Physics Chapters 1-4 Exam Review Questions
With Complete Solutions
_______is the reciprocal of period Correct Answers Frequency
A bouqet has 30 flowers. The size of the bouqet is decreased by
a factor of 3. How many flowers remain? Correct Answers
30/3= 10
A force is applied to a surfac. If the force is tripled and the
surface area over which the force is applied is also tripled, what
is the new pressure? Correct Answers unchanged
A longitudinal wave propagates from east to west at a speed of 2
miles per hour. What is the direction of motion of the particles
within the wave? Correct Answers Alternately from east to west
and then from west to east
A pair of waves are in phase. What occurs when these waves
interfere? Correct Answers Constructive interference
A particle within a transverse wave is traveling vertically. What
is the direction of the wave's propagation? Correct Answers
Horizontal
A sack contains 6 lbs of flour. The contents of the bag are
increased by a factor of 5. How much flour is in the bag?
Correct Answers 6x5=30 lbs
,A sonographer adjust the maximum imaging depth of an
ultrasound system. Which of the following also changes? (select
al that applies)
a. PRP
b wavelength
c. PRF
d. Frequency Correct Answers PRP and PRF
A sonographer adjusts the output power of the wave emitted by
the transducer. Which of the following also changes? (select all
that apply)
a. PRP
b. PRF
c. Propagation speed
d. intensity Correct Answers Intensity
A sonographer measures the perimeter of an anatomical
structure. Which of the following choices is a reasonable value
for the measurement?
A. 6 cm2
B. 5 cc
C. 15 mm
D. 18 dB Correct Answers 15 mm
All of the following are true about sound waves except_______.
a. they are mechanical
b. they are transverse
c. they carry energy from place to place
d. they generally travel in a straight line Correct Answers They
are trasnverse
, an ultrasound pulse propagates from soft tissue through a mass.
Sound's propagation speed is the mass is 1575 m/s. are these 4
statements T/F?
the frequency of the wave increases as it travels through the
mass
the period of the sound wave decreases as it travels through the
mass
the wavelength increases while the wave travels through the
mass
thee power in the wave increases as it travels through the mass
Correct Answers False
False
True
False
As a general rule , which of the following lists media in
increasing order of propagation speed?
a. gas, slid, liquid
b. liquid, solid, gas
c. solid, liquid, gas
d. gas, liquid, solid Correct Answers gas, liquid, solid
As an ultrasound wave travels through the body, its amplitude
usually:
A. decreases
B. increases
C. remains the same
With Complete Solutions
_______is the reciprocal of period Correct Answers Frequency
A bouqet has 30 flowers. The size of the bouqet is decreased by
a factor of 3. How many flowers remain? Correct Answers
30/3= 10
A force is applied to a surfac. If the force is tripled and the
surface area over which the force is applied is also tripled, what
is the new pressure? Correct Answers unchanged
A longitudinal wave propagates from east to west at a speed of 2
miles per hour. What is the direction of motion of the particles
within the wave? Correct Answers Alternately from east to west
and then from west to east
A pair of waves are in phase. What occurs when these waves
interfere? Correct Answers Constructive interference
A particle within a transverse wave is traveling vertically. What
is the direction of the wave's propagation? Correct Answers
Horizontal
A sack contains 6 lbs of flour. The contents of the bag are
increased by a factor of 5. How much flour is in the bag?
Correct Answers 6x5=30 lbs
,A sonographer adjust the maximum imaging depth of an
ultrasound system. Which of the following also changes? (select
al that applies)
a. PRP
b wavelength
c. PRF
d. Frequency Correct Answers PRP and PRF
A sonographer adjusts the output power of the wave emitted by
the transducer. Which of the following also changes? (select all
that apply)
a. PRP
b. PRF
c. Propagation speed
d. intensity Correct Answers Intensity
A sonographer measures the perimeter of an anatomical
structure. Which of the following choices is a reasonable value
for the measurement?
A. 6 cm2
B. 5 cc
C. 15 mm
D. 18 dB Correct Answers 15 mm
All of the following are true about sound waves except_______.
a. they are mechanical
b. they are transverse
c. they carry energy from place to place
d. they generally travel in a straight line Correct Answers They
are trasnverse
, an ultrasound pulse propagates from soft tissue through a mass.
Sound's propagation speed is the mass is 1575 m/s. are these 4
statements T/F?
the frequency of the wave increases as it travels through the
mass
the period of the sound wave decreases as it travels through the
mass
the wavelength increases while the wave travels through the
mass
thee power in the wave increases as it travels through the mass
Correct Answers False
False
True
False
As a general rule , which of the following lists media in
increasing order of propagation speed?
a. gas, slid, liquid
b. liquid, solid, gas
c. solid, liquid, gas
d. gas, liquid, solid Correct Answers gas, liquid, solid
As an ultrasound wave travels through the body, its amplitude
usually:
A. decreases
B. increases
C. remains the same
